+2017-06-24 Thomas Koenig <tkoenig@gcc.gnu.org>
+
+ PR fortran/52473
+ * gfortran.dg/cshift_2.f90: New test.
+
2017-06-23 Jim Wilson <jim.wilson@linaro.org>
PR middle-end/79794
--- /dev/null
+! { dg-do run }
+! Test CSHIFT with array argument for shift
+module rnd
+ implicit none
+contains
+ subroutine fill(a,n)
+ integer, intent(out), dimension(:,:) :: a
+ integer, intent(in) :: n
+ real, dimension(size(a,1),size(a,2)) :: r
+ call random_number(r)
+ a = int(2*n*r-n)
+ end subroutine fill
+end module rnd
+
+module csh
+ implicit none
+contains
+ subroutine emul_cshift(a,sh_in,dim, c)
+ integer, dimension(:,:,:), intent(in) :: a
+ integer, dimension(:,:,:), intent(out) :: c
+ integer, dimension(:,:), intent(in) :: sh_in
+ integer, intent(in) :: dim
+ integer :: sh, rsh
+ integer :: s1, s2, s3, n, i
+ integer :: n1, n2, n3
+ n1 = size(a,1)
+ n2 = size(a,2)
+ n3 = size(a,3)
+ if (dim == 1) then
+ n = n1
+ do s2=1,n2
+ do s3=1,n3
+ sh = modulo(sh_in(s2,s3), n)
+ rsh = n - sh
+ do i=1,rsh
+ c(i,s2,s3) = a(i+sh,s2,s3)
+ end do
+ do i=rsh+1,n
+ c(i,s2,s3) = a(i-rsh,s2,s3)
+ end do
+ end do
+ end do
+ else if (dim == 2) then
+ n = n2
+ do s3=1,n3
+ do s1=1,n1
+ sh = modulo(sh_in(s1,s3),n)
+ rsh = n - sh
+ do i=1,rsh
+ c(s1,i,s3) = a(s1,i+sh,s3)
+ end do
+ do i=rsh+1,n
+ c(s1,i,s3) = a(s1,i-rsh,s3)
+ end do
+ end do
+ end do
+
+ else if (dim == 3) then
+ n = n3
+ do s2=1,n2
+ do s1=1,n1
+ sh = modulo(sh_in(s1,s2),n)
+ rsh = n - sh
+ do i=1,rsh
+ c(s1,s2,i) = a(s1,s2,i+sh)
+ end do
+ do i=rsh+1,n
+ c(s1,s2,i) = a(s1,s2,i-rsh)
+ end do
+ end do
+ end do
+ else
+ stop "Illegal dim"
+ end if
+ end subroutine emul_cshift
+end module csh
+program main
+ use csh
+ use rnd
+ implicit none
+ integer, parameter :: n1=30,n2=40,n3=50
+ integer, dimension(n1,n2,n3) :: a, b,c
+ integer :: s1, s2, s3
+ integer :: dim
+ integer, dimension(:,:), allocatable :: sh1, sh2, sh3
+ integer, dimension(:), allocatable :: sh_shift
+ integer :: sh, rsh
+ integer :: i,j,k,v
+ type t
+ integer :: i1, i2, i3
+ end type t
+ type(t), dimension(n1,n2,n3) :: ta, tb
+
+ v = 1
+ do k=1,n3
+ do j=1,n2
+ do i=1,n1
+ a(i,j,k) = v
+ v = v + 1
+ end do
+ end do
+ end do
+
+ ta%i1 = a
+ ta%i2 = a+a
+ ta%i3 = a+a+a
+ allocate(sh1(n2,n3))
+ allocate(sh2(n1,n3))
+ allocate(sh3(n1,n2))
+
+ call fill(sh1,10)
+ call fill(sh2,10)
+ call fill(sh3,10)
+
+ b = cshift(a,sh1,1)
+ call emul_cshift(a,sh1,1,c)
+ if (any(b /= c)) then
+ print *,b
+ print *,c
+ call abort
+ end if
+ tb = cshift(ta,sh1,1)
+ if (any(tb%i1 /= c)) call abort
+
+ b = cshift(a,sh2,2)
+ call emul_cshift(a,sh2,2,c)
+ if (any(b /= c)) call abort
+ tb = cshift(ta,sh2,2)
+ if (any (tb%i2 /= c*2)) call abort
+
+ b = cshift(a,sh3,3)
+ call emul_cshift(a,sh3,3,c)
+ if (any(b /= c)) call abort
+ tb = cshift(ta,sh3,3)
+ if (any(tb%i3 /= c*3)) call abort
+
+ b = -42
+ c = -42
+ b(1:n1:2,:,:) = cshift(a(1:n1/2,:,:),sh1,1)
+ call emul_cshift(a(1:n1/2,:,:), sh1, 1, c(1:n1:2,:,:))
+ if (any(b /= c)) call abort
+
+ tb%i1 = -42
+ tb%i2 = -2*42
+ tb%i3 = -3*42
+ tb(1:n1:2,:,:) = cshift(ta(1:n1/2,:,:),sh1,1)
+ if (any(tb%i1 /= b)) call abort
+ if (any(tb%i2 /= 2*b)) call abort
+ if (any(tb%i3 /= 3*b)) call abort
+
+9000 format (99(3(I3,1X),2X))
+end program main
+2017-06-24 Thomas Koenig <tkoenig@gcc.gnu.org>
+
+ PR fortran/52473
+ * Makefile.am: Add i_cshift1a_c. Add rules to generate files
+ from cshift1a.m4.
+ * Makefile.in: Regenerated.
+ * m4/cshift1a.m4: New file.
+ * m4/cshift.m4 (cshift1): Split up inner loop by removing
+ condition. Use memcpy where possible. Call helper functions
+ based on dtype.
+ * libgfortran.h: Add prototypes for cshift1_16_c10,
+ cshift1_16_c16, cshift1_16_c4, cshift1_16_c8, cshift1_16_i1,
+ cshift1_16_i16, cshift1_16_i2, cshift1_16_i4, cshift1_16_i8,
+ cshift1_16_r10, cshift1_16_r16, cshift1_16_r4, cshift1_16_r8,
+ cshift1_4_c10, cshift1_4_c16, cshift1_4_c4, cshift1_4_c8,
+ cshift1_4_i1, cshift1_4_i16, cshift1_4_i2, cshift1_4_i4,
+ cshift1_4_i8, cshift1_4_r10, cshift1_4_r16, cshift1_4_r4,
+ cshift1_4_r8, cshift1_8_c10, cshift1_8_c16, cshift1_8_c4,
+ cshift1_8_c8, cshift1_8_i1, cshift1_8_i16, cshift1_8_i2,
+ cshift1_8_i4, cshift1_8_i8, cshift1_8_r10, cshift1_8_r16,
+ cshift1_8_r4 and cshift1_8_r8.
+ * generated/cshift1_16_c10.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_16_c16.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_16_c4.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_16_c8.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_16_i1.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_16_i16.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_16_i2.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_16_i4.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_16_i8.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_16_r10.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_16_r16.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_16_r4.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_16_r8.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_4_c10.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_4_c16.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_4_c4.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_4_c8.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_4_i1.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_4_i16.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_4_i2.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_4_i4.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_4_i8.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_4_r10.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_4_r16.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_4_r4.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_4_r8.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_8_c10.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_8_c16.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_8_c4.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_8_c8.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_8_i1.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_8_i16.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_8_i2.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_8_i4.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_8_i8.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_8_r10.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_8_r16.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_8_r4.c: New file, generated from cshift1a.m4.
+ * generated/cshift1_8_r8.c: New file, generated from cshift1a.m4.
+
2017-06-18 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/52473
$(srcdir)/generated/cshift0_c8.c \
$(srcdir)/generated/cshift0_c10.c \
$(srcdir)/generated/cshift0_c16.c
-
i_cshift1_c= \
$(srcdir)/generated/cshift1_4.c \
$(srcdir)/generated/cshift1_8.c \
$(srcdir)/generated/cshift1_16.c
+i_cshift1a_c = \
+$(srcdir)/generated/cshift1_4_i1.c \
+$(srcdir)/generated/cshift1_4_i2.c \
+$(srcdir)/generated/cshift1_4_i4.c \
+$(srcdir)/generated/cshift1_4_i8.c \
+$(srcdir)/generated/cshift1_4_i16.c \
+$(srcdir)/generated/cshift1_4_r4.c \
+$(srcdir)/generated/cshift1_4_r8.c \
+$(srcdir)/generated/cshift1_4_r10.c \
+$(srcdir)/generated/cshift1_4_r16.c \
+$(srcdir)/generated/cshift1_4_c4.c \
+$(srcdir)/generated/cshift1_4_c8.c \
+$(srcdir)/generated/cshift1_4_c10.c \
+$(srcdir)/generated/cshift1_4_c16.c \
+$(srcdir)/generated/cshift1_8_i1.c \
+$(srcdir)/generated/cshift1_8_i2.c \
+$(srcdir)/generated/cshift1_8_i4.c \
+$(srcdir)/generated/cshift1_8_i8.c \
+$(srcdir)/generated/cshift1_8_i16.c \
+$(srcdir)/generated/cshift1_8_r4.c \
+$(srcdir)/generated/cshift1_8_r8.c \
+$(srcdir)/generated/cshift1_8_r10.c \
+$(srcdir)/generated/cshift1_8_r16.c \
+$(srcdir)/generated/cshift1_8_c4.c \
+$(srcdir)/generated/cshift1_8_c8.c \
+$(srcdir)/generated/cshift1_8_c10.c \
+$(srcdir)/generated/cshift1_8_c16.c \
+$(srcdir)/generated/cshift1_16_i1.c \
+$(srcdir)/generated/cshift1_16_i2.c \
+$(srcdir)/generated/cshift1_16_i4.c \
+$(srcdir)/generated/cshift1_16_i8.c \
+$(srcdir)/generated/cshift1_16_i16.c \
+$(srcdir)/generated/cshift1_16_r4.c \
+$(srcdir)/generated/cshift1_16_r8.c \
+$(srcdir)/generated/cshift1_16_r10.c \
+$(srcdir)/generated/cshift1_16_r16.c \
+$(srcdir)/generated/cshift1_16_c4.c \
+$(srcdir)/generated/cshift1_16_c8.c \
+$(srcdir)/generated/cshift1_16_c10.c \
+$(srcdir)/generated/cshift1_16_c16.c
+
in_pack_c = \
$(srcdir)/generated/in_pack_i1.c \
$(srcdir)/generated/in_pack_i2.c \
$(i_eoshift3_c) $(i_cshift1_c) $(i_reshape_c) $(in_pack_c) $(in_unpack_c) \
$(i_pow_c) $(i_pack_c) $(i_unpack_c) $(i_matmulavx128_c) \
$(i_spread_c) selected_int_kind.inc selected_real_kind.inc kinds.h \
- $(i_cshift0_c) kinds.inc c99_protos.inc fpu-target.h fpu-target.inc
+ $(i_cshift0_c) kinds.inc c99_protos.inc fpu-target.h fpu-target.inc \
+ $(i_cshift1a_c)
# Machine generated specifics
gfor_built_specific_src= \
$(i_cshift1_c): m4/cshift1.m4 $(I_M4_DEPS)
$(M4) -Dfile=$@ -I$(srcdir)/m4 cshift1.m4 > $@
+$(i_cshift1a_c): m4/cshift1a.m4 $(I_M$_DEPS)
+ $(M4) -Dfile=$@ -I$(srcdir)/m4 cshift1a.m4 > $@
+
$(in_pack_c): m4/in_pack.m4 $(I_M4_DEPS)
$(M4) -Dfile=$@ -I$(srcdir)/m4 in_pack.m4 > $@
cshift0_i8.lo cshift0_i16.lo cshift0_r4.lo cshift0_r8.lo \
cshift0_r10.lo cshift0_r16.lo cshift0_c4.lo cshift0_c8.lo \
cshift0_c10.lo cshift0_c16.lo
-am__objects_36 = $(am__objects_4) $(am__objects_5) $(am__objects_6) \
+am__objects_36 = cshift1_4_i1.lo cshift1_4_i2.lo cshift1_4_i4.lo \
+ cshift1_4_i8.lo cshift1_4_i16.lo cshift1_4_r4.lo \
+ cshift1_4_r8.lo cshift1_4_r10.lo cshift1_4_r16.lo \
+ cshift1_4_c4.lo cshift1_4_c8.lo cshift1_4_c10.lo \
+ cshift1_4_c16.lo cshift1_8_i1.lo cshift1_8_i2.lo \
+ cshift1_8_i4.lo cshift1_8_i8.lo cshift1_8_i16.lo \
+ cshift1_8_r4.lo cshift1_8_r8.lo cshift1_8_r10.lo \
+ cshift1_8_r16.lo cshift1_8_c4.lo cshift1_8_c8.lo \
+ cshift1_8_c10.lo cshift1_8_c16.lo cshift1_16_i1.lo \
+ cshift1_16_i2.lo cshift1_16_i4.lo cshift1_16_i8.lo \
+ cshift1_16_i16.lo cshift1_16_r4.lo cshift1_16_r8.lo \
+ cshift1_16_r10.lo cshift1_16_r16.lo cshift1_16_c4.lo \
+ cshift1_16_c8.lo cshift1_16_c10.lo cshift1_16_c16.lo
+am__objects_37 = $(am__objects_4) $(am__objects_5) $(am__objects_6) \
$(am__objects_7) $(am__objects_8) $(am__objects_9) \
$(am__objects_10) $(am__objects_11) $(am__objects_12) \
$(am__objects_13) $(am__objects_14) $(am__objects_15) \
$(am__objects_25) $(am__objects_26) $(am__objects_27) \
$(am__objects_28) $(am__objects_29) $(am__objects_30) \
$(am__objects_31) $(am__objects_32) $(am__objects_33) \
- $(am__objects_34) $(am__objects_35)
-@LIBGFOR_MINIMAL_FALSE@am__objects_37 = close.lo file_pos.lo format.lo \
+ $(am__objects_34) $(am__objects_35) $(am__objects_36)
+@LIBGFOR_MINIMAL_FALSE@am__objects_38 = close.lo file_pos.lo format.lo \
@LIBGFOR_MINIMAL_FALSE@ inquire.lo intrinsics.lo list_read.lo \
@LIBGFOR_MINIMAL_FALSE@ lock.lo open.lo read.lo transfer.lo \
@LIBGFOR_MINIMAL_FALSE@ transfer128.lo unit.lo unix.lo write.lo \
@LIBGFOR_MINIMAL_FALSE@ fbuf.lo
-am__objects_38 = size_from_kind.lo $(am__objects_37)
-@LIBGFOR_MINIMAL_FALSE@am__objects_39 = access.lo c99_functions.lo \
+am__objects_39 = size_from_kind.lo $(am__objects_38)
+@LIBGFOR_MINIMAL_FALSE@am__objects_40 = access.lo c99_functions.lo \
@LIBGFOR_MINIMAL_FALSE@ chdir.lo chmod.lo clock.lo cpu_time.lo \
@LIBGFOR_MINIMAL_FALSE@ ctime.lo date_and_time.lo dtime.lo \
@LIBGFOR_MINIMAL_FALSE@ env.lo etime.lo execute_command_line.lo \
@LIBGFOR_MINIMAL_FALSE@ rename.lo stat.lo symlnk.lo \
@LIBGFOR_MINIMAL_FALSE@ system_clock.lo time.lo umask.lo \
@LIBGFOR_MINIMAL_FALSE@ unlink.lo
-@IEEE_SUPPORT_TRUE@am__objects_40 = ieee_helper.lo
-am__objects_41 = associated.lo abort.lo args.lo cshift0.lo eoshift0.lo \
+@IEEE_SUPPORT_TRUE@am__objects_41 = ieee_helper.lo
+am__objects_42 = associated.lo abort.lo args.lo cshift0.lo eoshift0.lo \
eoshift2.lo erfc_scaled.lo extends_type_of.lo fnum.lo \
ierrno.lo ishftc.lo mvbits.lo move_alloc.lo pack_generic.lo \
selected_char_kind.lo size.lo spread_generic.lo \
string_intrinsics.lo rand.lo random.lo reshape_generic.lo \
reshape_packed.lo selected_int_kind.lo selected_real_kind.lo \
unpack_generic.lo in_pack_generic.lo in_unpack_generic.lo \
- $(am__objects_39) $(am__objects_40)
-@IEEE_SUPPORT_TRUE@am__objects_42 = ieee_arithmetic.lo \
+ $(am__objects_40) $(am__objects_41)
+@IEEE_SUPPORT_TRUE@am__objects_43 = ieee_arithmetic.lo \
@IEEE_SUPPORT_TRUE@ ieee_exceptions.lo ieee_features.lo
-am__objects_43 =
-am__objects_44 = _abs_c4.lo _abs_c8.lo _abs_c10.lo _abs_c16.lo \
+am__objects_44 =
+am__objects_45 = _abs_c4.lo _abs_c8.lo _abs_c10.lo _abs_c16.lo \
_abs_i4.lo _abs_i8.lo _abs_i16.lo _abs_r4.lo _abs_r8.lo \
_abs_r10.lo _abs_r16.lo _aimag_c4.lo _aimag_c8.lo \
_aimag_c10.lo _aimag_c16.lo _exp_r4.lo _exp_r8.lo _exp_r10.lo \
_conjg_c4.lo _conjg_c8.lo _conjg_c10.lo _conjg_c16.lo \
_aint_r4.lo _aint_r8.lo _aint_r10.lo _aint_r16.lo _anint_r4.lo \
_anint_r8.lo _anint_r10.lo _anint_r16.lo
-am__objects_45 = _sign_i4.lo _sign_i8.lo _sign_i16.lo _sign_r4.lo \
+am__objects_46 = _sign_i4.lo _sign_i8.lo _sign_i16.lo _sign_r4.lo \
_sign_r8.lo _sign_r10.lo _sign_r16.lo _dim_i4.lo _dim_i8.lo \
_dim_i16.lo _dim_r4.lo _dim_r8.lo _dim_r10.lo _dim_r16.lo \
_atan2_r4.lo _atan2_r8.lo _atan2_r10.lo _atan2_r16.lo \
_mod_i4.lo _mod_i8.lo _mod_i16.lo _mod_r4.lo _mod_r8.lo \
_mod_r10.lo _mod_r16.lo
-am__objects_46 = misc_specifics.lo
-am__objects_47 = $(am__objects_44) $(am__objects_45) $(am__objects_46) \
+am__objects_47 = misc_specifics.lo
+am__objects_48 = $(am__objects_45) $(am__objects_46) $(am__objects_47) \
dprod_r8.lo f2c_specifics.lo
-am__objects_48 = $(am__objects_3) $(am__objects_36) $(am__objects_38) \
- $(am__objects_41) $(am__objects_42) $(am__objects_43) \
- $(am__objects_47)
-@onestep_FALSE@am_libgfortran_la_OBJECTS = $(am__objects_48)
+am__objects_49 = $(am__objects_3) $(am__objects_37) $(am__objects_39) \
+ $(am__objects_42) $(am__objects_43) $(am__objects_44) \
+ $(am__objects_48)
+@onestep_FALSE@am_libgfortran_la_OBJECTS = $(am__objects_49)
@onestep_TRUE@am_libgfortran_la_OBJECTS = libgfortran_c.lo
libgfortran_la_OBJECTS = $(am_libgfortran_la_OBJECTS)
DEFAULT_INCLUDES = -I.@am__isrc@
$(srcdir)/generated/cshift1_8.c \
$(srcdir)/generated/cshift1_16.c
+i_cshift1a_c = \
+$(srcdir)/generated/cshift1_4_i1.c \
+$(srcdir)/generated/cshift1_4_i2.c \
+$(srcdir)/generated/cshift1_4_i4.c \
+$(srcdir)/generated/cshift1_4_i8.c \
+$(srcdir)/generated/cshift1_4_i16.c \
+$(srcdir)/generated/cshift1_4_r4.c \
+$(srcdir)/generated/cshift1_4_r8.c \
+$(srcdir)/generated/cshift1_4_r10.c \
+$(srcdir)/generated/cshift1_4_r16.c \
+$(srcdir)/generated/cshift1_4_c4.c \
+$(srcdir)/generated/cshift1_4_c8.c \
+$(srcdir)/generated/cshift1_4_c10.c \
+$(srcdir)/generated/cshift1_4_c16.c \
+$(srcdir)/generated/cshift1_8_i1.c \
+$(srcdir)/generated/cshift1_8_i2.c \
+$(srcdir)/generated/cshift1_8_i4.c \
+$(srcdir)/generated/cshift1_8_i8.c \
+$(srcdir)/generated/cshift1_8_i16.c \
+$(srcdir)/generated/cshift1_8_r4.c \
+$(srcdir)/generated/cshift1_8_r8.c \
+$(srcdir)/generated/cshift1_8_r10.c \
+$(srcdir)/generated/cshift1_8_r16.c \
+$(srcdir)/generated/cshift1_8_c4.c \
+$(srcdir)/generated/cshift1_8_c8.c \
+$(srcdir)/generated/cshift1_8_c10.c \
+$(srcdir)/generated/cshift1_8_c16.c \
+$(srcdir)/generated/cshift1_16_i1.c \
+$(srcdir)/generated/cshift1_16_i2.c \
+$(srcdir)/generated/cshift1_16_i4.c \
+$(srcdir)/generated/cshift1_16_i8.c \
+$(srcdir)/generated/cshift1_16_i16.c \
+$(srcdir)/generated/cshift1_16_r4.c \
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@MAINTAINER_MODE_TRUE@ $(M4) -Dfile=$@ -I$(srcdir)/m4 cshift1.m4 > $@
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GFC_INTEGER_16 sh;
index_type arraysize;
index_type size;
-
+ index_type type_size;
+
if (pwhich)
which = *pwhich - 1;
else
which = 0;
-
+
if (which < 0 || (which + 1) > GFC_DESCRIPTOR_RANK (array))
runtime_error ("Argument 'DIM' is out of range in call to 'CSHIFT'");
if (arraysize == 0)
return;
+ /* See if we should dispatch to a helper function. */
+
+ type_size = GFC_DTYPE_TYPE_SIZE (array);
+
+ switch (type_size)
+ {
+ case GFC_DTYPE_LOGICAL_1:
+ case GFC_DTYPE_INTEGER_1:
+ case GFC_DTYPE_DERIVED_1:
+ cshift1_16_i1 ((gfc_array_i1 *)ret, (gfc_array_i1 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_LOGICAL_2:
+ case GFC_DTYPE_INTEGER_2:
+ cshift1_16_i2 ((gfc_array_i2 *)ret, (gfc_array_i2 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_LOGICAL_4:
+ case GFC_DTYPE_INTEGER_4:
+ cshift1_16_i4 ((gfc_array_i4 *)ret, (gfc_array_i4 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_LOGICAL_8:
+ case GFC_DTYPE_INTEGER_8:
+ cshift1_16_i8 ((gfc_array_i8 *)ret, (gfc_array_i8 *) array,
+ h, pwhich);
+ return;
+
+#if defined (HAVE_INTEGER_16)
+ case GFC_DTYPE_LOGICAL_16:
+ case GFC_DTYPE_INTEGER_16:
+ cshift1_16_i16 ((gfc_array_i16 *)ret, (gfc_array_i16 *) array,
+ h, pwhich);
+ return;
+#endif
+
+ case GFC_DTYPE_REAL_4:
+ cshift1_16_r4 ((gfc_array_r4 *)ret, (gfc_array_r4 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_REAL_8:
+ cshift1_16_r8 ((gfc_array_r8 *)ret, (gfc_array_r8 *) array,
+ h, pwhich);
+ return;
+
+#if defined (HAVE_REAL_10)
+ case GFC_DTYPE_REAL_10:
+ cshift1_16_r10 ((gfc_array_r10 *)ret, (gfc_array_r10 *) array,
+ h, pwhich);
+ return;
+#endif
+
+#if defined (HAVE_REAL_16)
+ case GFC_DTYPE_REAL_16:
+ cshift1_16_r16 ((gfc_array_r16 *)ret, (gfc_array_r16 *) array,
+ h, pwhich);
+ return;
+#endif
+
+ case GFC_DTYPE_COMPLEX_4:
+ cshift1_16_c4 ((gfc_array_c4 *)ret, (gfc_array_c4 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_COMPLEX_8:
+ cshift1_16_c8 ((gfc_array_c8 *)ret, (gfc_array_c8 *) array,
+ h, pwhich);
+ return;
+
+#if defined (HAVE_COMPLEX_10)
+ case GFC_DTYPE_COMPLEX_10:
+ cshift1_16_c10 ((gfc_array_c10 *)ret, (gfc_array_c10 *) array,
+ h, pwhich);
+ return;
+#endif
+
+#if defined (HAVE_COMPLEX_16)
+ case GFC_DTYPE_COMPLEX_16:
+ cshift1_16_c16 ((gfc_array_c16 *)ret, (gfc_array_c16 *) array,
+ h, pwhich);
+ return;
+#endif
+
+ default:
+ break;
+
+ }
+
extent[0] = 1;
count[0] = 0;
n = 0;
{
/* Do the shift for this dimension. */
sh = *hptr;
- sh = (div (sh, len)).rem;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
if (sh < 0)
sh += len;
+ if (unlikely (sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
src = &sptr[sh * soffset];
dest = rptr;
-
- for (n = 0; n < len; n++)
+ if (soffset == size && roffset == size)
+ {
+ size_t len1 = sh * size;
+ size_t len2 = (len - sh) * size;
+ memcpy (rptr, sptr + len1, len2);
+ memcpy (rptr + len2, sptr, len1);
+ }
+ else
{
- memcpy (dest, src, size);
- dest += roffset;
- if (n == len - sh - 1)
- src = sptr;
- else
- src += soffset;
- }
+ for (n = 0; n < len - sh; n++)
+ {
+ memcpy (dest, src, size);
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ memcpy (dest, src, size);
+ dest += roffset;
+ src += soffset;
+ }
+ }
/* Advance to the next section. */
rptr += rstride0;
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_COMPLEX_10) && defined (HAVE_GFC_INTEGER_16)
+
+void
+cshift1_16_c10 (gfc_array_c10 * const restrict ret,
+ const gfc_array_c10 * const restrict array,
+ const gfc_array_i16 * const restrict h,
+ const GFC_INTEGER_16 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_COMPLEX_10 *rptr;
+ GFC_COMPLEX_10 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_COMPLEX_10 *sptr;
+ const GFC_COMPLEX_10 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_16 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_16 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_COMPLEX_10);
+ size_t len2 = (len - sh) * sizeof (GFC_COMPLEX_10);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_COMPLEX_16) && defined (HAVE_GFC_INTEGER_16)
+
+void
+cshift1_16_c16 (gfc_array_c16 * const restrict ret,
+ const gfc_array_c16 * const restrict array,
+ const gfc_array_i16 * const restrict h,
+ const GFC_INTEGER_16 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_COMPLEX_16 *rptr;
+ GFC_COMPLEX_16 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_COMPLEX_16 *sptr;
+ const GFC_COMPLEX_16 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_16 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_16 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_COMPLEX_16);
+ size_t len2 = (len - sh) * sizeof (GFC_COMPLEX_16);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_COMPLEX_4) && defined (HAVE_GFC_INTEGER_16)
+
+void
+cshift1_16_c4 (gfc_array_c4 * const restrict ret,
+ const gfc_array_c4 * const restrict array,
+ const gfc_array_i16 * const restrict h,
+ const GFC_INTEGER_16 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_COMPLEX_4 *rptr;
+ GFC_COMPLEX_4 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_COMPLEX_4 *sptr;
+ const GFC_COMPLEX_4 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_16 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_16 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_COMPLEX_4);
+ size_t len2 = (len - sh) * sizeof (GFC_COMPLEX_4);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_COMPLEX_8) && defined (HAVE_GFC_INTEGER_16)
+
+void
+cshift1_16_c8 (gfc_array_c8 * const restrict ret,
+ const gfc_array_c8 * const restrict array,
+ const gfc_array_i16 * const restrict h,
+ const GFC_INTEGER_16 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_COMPLEX_8 *rptr;
+ GFC_COMPLEX_8 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_COMPLEX_8 *sptr;
+ const GFC_COMPLEX_8 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_16 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_16 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_COMPLEX_8);
+ size_t len2 = (len - sh) * sizeof (GFC_COMPLEX_8);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_INTEGER_1) && defined (HAVE_GFC_INTEGER_16)
+
+void
+cshift1_16_i1 (gfc_array_i1 * const restrict ret,
+ const gfc_array_i1 * const restrict array,
+ const gfc_array_i16 * const restrict h,
+ const GFC_INTEGER_16 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_INTEGER_1 *rptr;
+ GFC_INTEGER_1 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_INTEGER_1 *sptr;
+ const GFC_INTEGER_1 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_16 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_16 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_INTEGER_1);
+ size_t len2 = (len - sh) * sizeof (GFC_INTEGER_1);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_INTEGER_16) && defined (HAVE_GFC_INTEGER_16)
+
+void
+cshift1_16_i16 (gfc_array_i16 * const restrict ret,
+ const gfc_array_i16 * const restrict array,
+ const gfc_array_i16 * const restrict h,
+ const GFC_INTEGER_16 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_INTEGER_16 *rptr;
+ GFC_INTEGER_16 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_INTEGER_16 *sptr;
+ const GFC_INTEGER_16 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_16 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_16 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_INTEGER_16);
+ size_t len2 = (len - sh) * sizeof (GFC_INTEGER_16);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_INTEGER_2) && defined (HAVE_GFC_INTEGER_16)
+
+void
+cshift1_16_i2 (gfc_array_i2 * const restrict ret,
+ const gfc_array_i2 * const restrict array,
+ const gfc_array_i16 * const restrict h,
+ const GFC_INTEGER_16 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_INTEGER_2 *rptr;
+ GFC_INTEGER_2 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_INTEGER_2 *sptr;
+ const GFC_INTEGER_2 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_16 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_16 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_INTEGER_2);
+ size_t len2 = (len - sh) * sizeof (GFC_INTEGER_2);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_INTEGER_4) && defined (HAVE_GFC_INTEGER_16)
+
+void
+cshift1_16_i4 (gfc_array_i4 * const restrict ret,
+ const gfc_array_i4 * const restrict array,
+ const gfc_array_i16 * const restrict h,
+ const GFC_INTEGER_16 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_INTEGER_4 *rptr;
+ GFC_INTEGER_4 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_INTEGER_4 *sptr;
+ const GFC_INTEGER_4 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_16 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_16 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_INTEGER_4);
+ size_t len2 = (len - sh) * sizeof (GFC_INTEGER_4);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_INTEGER_8) && defined (HAVE_GFC_INTEGER_16)
+
+void
+cshift1_16_i8 (gfc_array_i8 * const restrict ret,
+ const gfc_array_i8 * const restrict array,
+ const gfc_array_i16 * const restrict h,
+ const GFC_INTEGER_16 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_INTEGER_8 *rptr;
+ GFC_INTEGER_8 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_INTEGER_8 *sptr;
+ const GFC_INTEGER_8 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_16 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_16 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_INTEGER_8);
+ size_t len2 = (len - sh) * sizeof (GFC_INTEGER_8);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_REAL_10) && defined (HAVE_GFC_INTEGER_16)
+
+void
+cshift1_16_r10 (gfc_array_r10 * const restrict ret,
+ const gfc_array_r10 * const restrict array,
+ const gfc_array_i16 * const restrict h,
+ const GFC_INTEGER_16 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_REAL_10 *rptr;
+ GFC_REAL_10 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_REAL_10 *sptr;
+ const GFC_REAL_10 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_16 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_16 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_REAL_10);
+ size_t len2 = (len - sh) * sizeof (GFC_REAL_10);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_REAL_16) && defined (HAVE_GFC_INTEGER_16)
+
+void
+cshift1_16_r16 (gfc_array_r16 * const restrict ret,
+ const gfc_array_r16 * const restrict array,
+ const gfc_array_i16 * const restrict h,
+ const GFC_INTEGER_16 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_REAL_16 *rptr;
+ GFC_REAL_16 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_REAL_16 *sptr;
+ const GFC_REAL_16 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_16 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_16 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_REAL_16);
+ size_t len2 = (len - sh) * sizeof (GFC_REAL_16);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_REAL_4) && defined (HAVE_GFC_INTEGER_16)
+
+void
+cshift1_16_r4 (gfc_array_r4 * const restrict ret,
+ const gfc_array_r4 * const restrict array,
+ const gfc_array_i16 * const restrict h,
+ const GFC_INTEGER_16 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_REAL_4 *rptr;
+ GFC_REAL_4 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_REAL_4 *sptr;
+ const GFC_REAL_4 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_16 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_16 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_REAL_4);
+ size_t len2 = (len - sh) * sizeof (GFC_REAL_4);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_REAL_8) && defined (HAVE_GFC_INTEGER_16)
+
+void
+cshift1_16_r8 (gfc_array_r8 * const restrict ret,
+ const gfc_array_r8 * const restrict array,
+ const gfc_array_i16 * const restrict h,
+ const GFC_INTEGER_16 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_REAL_8 *rptr;
+ GFC_REAL_8 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_REAL_8 *sptr;
+ const GFC_REAL_8 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_16 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_16 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_REAL_8);
+ size_t len2 = (len - sh) * sizeof (GFC_REAL_8);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
GFC_INTEGER_4 sh;
index_type arraysize;
index_type size;
-
+ index_type type_size;
+
if (pwhich)
which = *pwhich - 1;
else
which = 0;
-
+
if (which < 0 || (which + 1) > GFC_DESCRIPTOR_RANK (array))
runtime_error ("Argument 'DIM' is out of range in call to 'CSHIFT'");
if (arraysize == 0)
return;
+ /* See if we should dispatch to a helper function. */
+
+ type_size = GFC_DTYPE_TYPE_SIZE (array);
+
+ switch (type_size)
+ {
+ case GFC_DTYPE_LOGICAL_1:
+ case GFC_DTYPE_INTEGER_1:
+ case GFC_DTYPE_DERIVED_1:
+ cshift1_4_i1 ((gfc_array_i1 *)ret, (gfc_array_i1 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_LOGICAL_2:
+ case GFC_DTYPE_INTEGER_2:
+ cshift1_4_i2 ((gfc_array_i2 *)ret, (gfc_array_i2 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_LOGICAL_4:
+ case GFC_DTYPE_INTEGER_4:
+ cshift1_4_i4 ((gfc_array_i4 *)ret, (gfc_array_i4 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_LOGICAL_8:
+ case GFC_DTYPE_INTEGER_8:
+ cshift1_4_i8 ((gfc_array_i8 *)ret, (gfc_array_i8 *) array,
+ h, pwhich);
+ return;
+
+#if defined (HAVE_INTEGER_16)
+ case GFC_DTYPE_LOGICAL_16:
+ case GFC_DTYPE_INTEGER_16:
+ cshift1_4_i16 ((gfc_array_i16 *)ret, (gfc_array_i16 *) array,
+ h, pwhich);
+ return;
+#endif
+
+ case GFC_DTYPE_REAL_4:
+ cshift1_4_r4 ((gfc_array_r4 *)ret, (gfc_array_r4 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_REAL_8:
+ cshift1_4_r8 ((gfc_array_r8 *)ret, (gfc_array_r8 *) array,
+ h, pwhich);
+ return;
+
+#if defined (HAVE_REAL_10)
+ case GFC_DTYPE_REAL_10:
+ cshift1_4_r10 ((gfc_array_r10 *)ret, (gfc_array_r10 *) array,
+ h, pwhich);
+ return;
+#endif
+
+#if defined (HAVE_REAL_16)
+ case GFC_DTYPE_REAL_16:
+ cshift1_4_r16 ((gfc_array_r16 *)ret, (gfc_array_r16 *) array,
+ h, pwhich);
+ return;
+#endif
+
+ case GFC_DTYPE_COMPLEX_4:
+ cshift1_4_c4 ((gfc_array_c4 *)ret, (gfc_array_c4 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_COMPLEX_8:
+ cshift1_4_c8 ((gfc_array_c8 *)ret, (gfc_array_c8 *) array,
+ h, pwhich);
+ return;
+
+#if defined (HAVE_COMPLEX_10)
+ case GFC_DTYPE_COMPLEX_10:
+ cshift1_4_c10 ((gfc_array_c10 *)ret, (gfc_array_c10 *) array,
+ h, pwhich);
+ return;
+#endif
+
+#if defined (HAVE_COMPLEX_16)
+ case GFC_DTYPE_COMPLEX_16:
+ cshift1_4_c16 ((gfc_array_c16 *)ret, (gfc_array_c16 *) array,
+ h, pwhich);
+ return;
+#endif
+
+ default:
+ break;
+
+ }
+
extent[0] = 1;
count[0] = 0;
n = 0;
{
/* Do the shift for this dimension. */
sh = *hptr;
- sh = (div (sh, len)).rem;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
if (sh < 0)
sh += len;
+ if (unlikely (sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
src = &sptr[sh * soffset];
dest = rptr;
-
- for (n = 0; n < len; n++)
+ if (soffset == size && roffset == size)
+ {
+ size_t len1 = sh * size;
+ size_t len2 = (len - sh) * size;
+ memcpy (rptr, sptr + len1, len2);
+ memcpy (rptr + len2, sptr, len1);
+ }
+ else
{
- memcpy (dest, src, size);
- dest += roffset;
- if (n == len - sh - 1)
- src = sptr;
- else
- src += soffset;
- }
+ for (n = 0; n < len - sh; n++)
+ {
+ memcpy (dest, src, size);
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ memcpy (dest, src, size);
+ dest += roffset;
+ src += soffset;
+ }
+ }
/* Advance to the next section. */
rptr += rstride0;
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_COMPLEX_10) && defined (HAVE_GFC_INTEGER_4)
+
+void
+cshift1_4_c10 (gfc_array_c10 * const restrict ret,
+ const gfc_array_c10 * const restrict array,
+ const gfc_array_i4 * const restrict h,
+ const GFC_INTEGER_4 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_COMPLEX_10 *rptr;
+ GFC_COMPLEX_10 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_COMPLEX_10 *sptr;
+ const GFC_COMPLEX_10 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_4 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_4 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_COMPLEX_10);
+ size_t len2 = (len - sh) * sizeof (GFC_COMPLEX_10);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_COMPLEX_16) && defined (HAVE_GFC_INTEGER_4)
+
+void
+cshift1_4_c16 (gfc_array_c16 * const restrict ret,
+ const gfc_array_c16 * const restrict array,
+ const gfc_array_i4 * const restrict h,
+ const GFC_INTEGER_4 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_COMPLEX_16 *rptr;
+ GFC_COMPLEX_16 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_COMPLEX_16 *sptr;
+ const GFC_COMPLEX_16 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_4 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_4 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_COMPLEX_16);
+ size_t len2 = (len - sh) * sizeof (GFC_COMPLEX_16);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_COMPLEX_4) && defined (HAVE_GFC_INTEGER_4)
+
+void
+cshift1_4_c4 (gfc_array_c4 * const restrict ret,
+ const gfc_array_c4 * const restrict array,
+ const gfc_array_i4 * const restrict h,
+ const GFC_INTEGER_4 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_COMPLEX_4 *rptr;
+ GFC_COMPLEX_4 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_COMPLEX_4 *sptr;
+ const GFC_COMPLEX_4 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_4 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_4 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_COMPLEX_4);
+ size_t len2 = (len - sh) * sizeof (GFC_COMPLEX_4);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_COMPLEX_8) && defined (HAVE_GFC_INTEGER_4)
+
+void
+cshift1_4_c8 (gfc_array_c8 * const restrict ret,
+ const gfc_array_c8 * const restrict array,
+ const gfc_array_i4 * const restrict h,
+ const GFC_INTEGER_4 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_COMPLEX_8 *rptr;
+ GFC_COMPLEX_8 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_COMPLEX_8 *sptr;
+ const GFC_COMPLEX_8 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_4 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_4 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_COMPLEX_8);
+ size_t len2 = (len - sh) * sizeof (GFC_COMPLEX_8);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_INTEGER_1) && defined (HAVE_GFC_INTEGER_4)
+
+void
+cshift1_4_i1 (gfc_array_i1 * const restrict ret,
+ const gfc_array_i1 * const restrict array,
+ const gfc_array_i4 * const restrict h,
+ const GFC_INTEGER_4 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_INTEGER_1 *rptr;
+ GFC_INTEGER_1 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_INTEGER_1 *sptr;
+ const GFC_INTEGER_1 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_4 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_4 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_INTEGER_1);
+ size_t len2 = (len - sh) * sizeof (GFC_INTEGER_1);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_INTEGER_16) && defined (HAVE_GFC_INTEGER_4)
+
+void
+cshift1_4_i16 (gfc_array_i16 * const restrict ret,
+ const gfc_array_i16 * const restrict array,
+ const gfc_array_i4 * const restrict h,
+ const GFC_INTEGER_4 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_INTEGER_16 *rptr;
+ GFC_INTEGER_16 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_INTEGER_16 *sptr;
+ const GFC_INTEGER_16 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_4 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_4 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_INTEGER_16);
+ size_t len2 = (len - sh) * sizeof (GFC_INTEGER_16);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_INTEGER_2) && defined (HAVE_GFC_INTEGER_4)
+
+void
+cshift1_4_i2 (gfc_array_i2 * const restrict ret,
+ const gfc_array_i2 * const restrict array,
+ const gfc_array_i4 * const restrict h,
+ const GFC_INTEGER_4 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_INTEGER_2 *rptr;
+ GFC_INTEGER_2 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_INTEGER_2 *sptr;
+ const GFC_INTEGER_2 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_4 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_4 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_INTEGER_2);
+ size_t len2 = (len - sh) * sizeof (GFC_INTEGER_2);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_INTEGER_4) && defined (HAVE_GFC_INTEGER_4)
+
+void
+cshift1_4_i4 (gfc_array_i4 * const restrict ret,
+ const gfc_array_i4 * const restrict array,
+ const gfc_array_i4 * const restrict h,
+ const GFC_INTEGER_4 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_INTEGER_4 *rptr;
+ GFC_INTEGER_4 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_INTEGER_4 *sptr;
+ const GFC_INTEGER_4 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_4 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_4 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_INTEGER_4);
+ size_t len2 = (len - sh) * sizeof (GFC_INTEGER_4);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_INTEGER_8) && defined (HAVE_GFC_INTEGER_4)
+
+void
+cshift1_4_i8 (gfc_array_i8 * const restrict ret,
+ const gfc_array_i8 * const restrict array,
+ const gfc_array_i4 * const restrict h,
+ const GFC_INTEGER_4 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_INTEGER_8 *rptr;
+ GFC_INTEGER_8 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_INTEGER_8 *sptr;
+ const GFC_INTEGER_8 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_4 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_4 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_INTEGER_8);
+ size_t len2 = (len - sh) * sizeof (GFC_INTEGER_8);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_REAL_10) && defined (HAVE_GFC_INTEGER_4)
+
+void
+cshift1_4_r10 (gfc_array_r10 * const restrict ret,
+ const gfc_array_r10 * const restrict array,
+ const gfc_array_i4 * const restrict h,
+ const GFC_INTEGER_4 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_REAL_10 *rptr;
+ GFC_REAL_10 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_REAL_10 *sptr;
+ const GFC_REAL_10 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_4 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_4 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_REAL_10);
+ size_t len2 = (len - sh) * sizeof (GFC_REAL_10);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_REAL_16) && defined (HAVE_GFC_INTEGER_4)
+
+void
+cshift1_4_r16 (gfc_array_r16 * const restrict ret,
+ const gfc_array_r16 * const restrict array,
+ const gfc_array_i4 * const restrict h,
+ const GFC_INTEGER_4 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_REAL_16 *rptr;
+ GFC_REAL_16 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_REAL_16 *sptr;
+ const GFC_REAL_16 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_4 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_4 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_REAL_16);
+ size_t len2 = (len - sh) * sizeof (GFC_REAL_16);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_REAL_4) && defined (HAVE_GFC_INTEGER_4)
+
+void
+cshift1_4_r4 (gfc_array_r4 * const restrict ret,
+ const gfc_array_r4 * const restrict array,
+ const gfc_array_i4 * const restrict h,
+ const GFC_INTEGER_4 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_REAL_4 *rptr;
+ GFC_REAL_4 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_REAL_4 *sptr;
+ const GFC_REAL_4 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_4 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_4 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_REAL_4);
+ size_t len2 = (len - sh) * sizeof (GFC_REAL_4);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_REAL_8) && defined (HAVE_GFC_INTEGER_4)
+
+void
+cshift1_4_r8 (gfc_array_r8 * const restrict ret,
+ const gfc_array_r8 * const restrict array,
+ const gfc_array_i4 * const restrict h,
+ const GFC_INTEGER_4 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_REAL_8 *rptr;
+ GFC_REAL_8 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_REAL_8 *sptr;
+ const GFC_REAL_8 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_4 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_4 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_REAL_8);
+ size_t len2 = (len - sh) * sizeof (GFC_REAL_8);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
GFC_INTEGER_8 sh;
index_type arraysize;
index_type size;
-
+ index_type type_size;
+
if (pwhich)
which = *pwhich - 1;
else
which = 0;
-
+
if (which < 0 || (which + 1) > GFC_DESCRIPTOR_RANK (array))
runtime_error ("Argument 'DIM' is out of range in call to 'CSHIFT'");
if (arraysize == 0)
return;
+ /* See if we should dispatch to a helper function. */
+
+ type_size = GFC_DTYPE_TYPE_SIZE (array);
+
+ switch (type_size)
+ {
+ case GFC_DTYPE_LOGICAL_1:
+ case GFC_DTYPE_INTEGER_1:
+ case GFC_DTYPE_DERIVED_1:
+ cshift1_8_i1 ((gfc_array_i1 *)ret, (gfc_array_i1 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_LOGICAL_2:
+ case GFC_DTYPE_INTEGER_2:
+ cshift1_8_i2 ((gfc_array_i2 *)ret, (gfc_array_i2 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_LOGICAL_4:
+ case GFC_DTYPE_INTEGER_4:
+ cshift1_8_i4 ((gfc_array_i4 *)ret, (gfc_array_i4 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_LOGICAL_8:
+ case GFC_DTYPE_INTEGER_8:
+ cshift1_8_i8 ((gfc_array_i8 *)ret, (gfc_array_i8 *) array,
+ h, pwhich);
+ return;
+
+#if defined (HAVE_INTEGER_16)
+ case GFC_DTYPE_LOGICAL_16:
+ case GFC_DTYPE_INTEGER_16:
+ cshift1_8_i16 ((gfc_array_i16 *)ret, (gfc_array_i16 *) array,
+ h, pwhich);
+ return;
+#endif
+
+ case GFC_DTYPE_REAL_4:
+ cshift1_8_r4 ((gfc_array_r4 *)ret, (gfc_array_r4 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_REAL_8:
+ cshift1_8_r8 ((gfc_array_r8 *)ret, (gfc_array_r8 *) array,
+ h, pwhich);
+ return;
+
+#if defined (HAVE_REAL_10)
+ case GFC_DTYPE_REAL_10:
+ cshift1_8_r10 ((gfc_array_r10 *)ret, (gfc_array_r10 *) array,
+ h, pwhich);
+ return;
+#endif
+
+#if defined (HAVE_REAL_16)
+ case GFC_DTYPE_REAL_16:
+ cshift1_8_r16 ((gfc_array_r16 *)ret, (gfc_array_r16 *) array,
+ h, pwhich);
+ return;
+#endif
+
+ case GFC_DTYPE_COMPLEX_4:
+ cshift1_8_c4 ((gfc_array_c4 *)ret, (gfc_array_c4 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_COMPLEX_8:
+ cshift1_8_c8 ((gfc_array_c8 *)ret, (gfc_array_c8 *) array,
+ h, pwhich);
+ return;
+
+#if defined (HAVE_COMPLEX_10)
+ case GFC_DTYPE_COMPLEX_10:
+ cshift1_8_c10 ((gfc_array_c10 *)ret, (gfc_array_c10 *) array,
+ h, pwhich);
+ return;
+#endif
+
+#if defined (HAVE_COMPLEX_16)
+ case GFC_DTYPE_COMPLEX_16:
+ cshift1_8_c16 ((gfc_array_c16 *)ret, (gfc_array_c16 *) array,
+ h, pwhich);
+ return;
+#endif
+
+ default:
+ break;
+
+ }
+
extent[0] = 1;
count[0] = 0;
n = 0;
{
/* Do the shift for this dimension. */
sh = *hptr;
- sh = (div (sh, len)).rem;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
if (sh < 0)
sh += len;
+ if (unlikely (sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
src = &sptr[sh * soffset];
dest = rptr;
-
- for (n = 0; n < len; n++)
+ if (soffset == size && roffset == size)
+ {
+ size_t len1 = sh * size;
+ size_t len2 = (len - sh) * size;
+ memcpy (rptr, sptr + len1, len2);
+ memcpy (rptr + len2, sptr, len1);
+ }
+ else
{
- memcpy (dest, src, size);
- dest += roffset;
- if (n == len - sh - 1)
- src = sptr;
- else
- src += soffset;
- }
+ for (n = 0; n < len - sh; n++)
+ {
+ memcpy (dest, src, size);
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ memcpy (dest, src, size);
+ dest += roffset;
+ src += soffset;
+ }
+ }
/* Advance to the next section. */
rptr += rstride0;
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_COMPLEX_10) && defined (HAVE_GFC_INTEGER_8)
+
+void
+cshift1_8_c10 (gfc_array_c10 * const restrict ret,
+ const gfc_array_c10 * const restrict array,
+ const gfc_array_i8 * const restrict h,
+ const GFC_INTEGER_8 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_COMPLEX_10 *rptr;
+ GFC_COMPLEX_10 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_COMPLEX_10 *sptr;
+ const GFC_COMPLEX_10 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_8 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_8 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_COMPLEX_10);
+ size_t len2 = (len - sh) * sizeof (GFC_COMPLEX_10);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_COMPLEX_16) && defined (HAVE_GFC_INTEGER_8)
+
+void
+cshift1_8_c16 (gfc_array_c16 * const restrict ret,
+ const gfc_array_c16 * const restrict array,
+ const gfc_array_i8 * const restrict h,
+ const GFC_INTEGER_8 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_COMPLEX_16 *rptr;
+ GFC_COMPLEX_16 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_COMPLEX_16 *sptr;
+ const GFC_COMPLEX_16 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_8 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_8 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_COMPLEX_16);
+ size_t len2 = (len - sh) * sizeof (GFC_COMPLEX_16);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_COMPLEX_4) && defined (HAVE_GFC_INTEGER_8)
+
+void
+cshift1_8_c4 (gfc_array_c4 * const restrict ret,
+ const gfc_array_c4 * const restrict array,
+ const gfc_array_i8 * const restrict h,
+ const GFC_INTEGER_8 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_COMPLEX_4 *rptr;
+ GFC_COMPLEX_4 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_COMPLEX_4 *sptr;
+ const GFC_COMPLEX_4 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_8 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_8 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_COMPLEX_4);
+ size_t len2 = (len - sh) * sizeof (GFC_COMPLEX_4);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_COMPLEX_8) && defined (HAVE_GFC_INTEGER_8)
+
+void
+cshift1_8_c8 (gfc_array_c8 * const restrict ret,
+ const gfc_array_c8 * const restrict array,
+ const gfc_array_i8 * const restrict h,
+ const GFC_INTEGER_8 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_COMPLEX_8 *rptr;
+ GFC_COMPLEX_8 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_COMPLEX_8 *sptr;
+ const GFC_COMPLEX_8 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_8 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_8 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_COMPLEX_8);
+ size_t len2 = (len - sh) * sizeof (GFC_COMPLEX_8);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_INTEGER_1) && defined (HAVE_GFC_INTEGER_8)
+
+void
+cshift1_8_i1 (gfc_array_i1 * const restrict ret,
+ const gfc_array_i1 * const restrict array,
+ const gfc_array_i8 * const restrict h,
+ const GFC_INTEGER_8 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_INTEGER_1 *rptr;
+ GFC_INTEGER_1 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_INTEGER_1 *sptr;
+ const GFC_INTEGER_1 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_8 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_8 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_INTEGER_1);
+ size_t len2 = (len - sh) * sizeof (GFC_INTEGER_1);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_INTEGER_16) && defined (HAVE_GFC_INTEGER_8)
+
+void
+cshift1_8_i16 (gfc_array_i16 * const restrict ret,
+ const gfc_array_i16 * const restrict array,
+ const gfc_array_i8 * const restrict h,
+ const GFC_INTEGER_8 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_INTEGER_16 *rptr;
+ GFC_INTEGER_16 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_INTEGER_16 *sptr;
+ const GFC_INTEGER_16 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_8 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_8 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_INTEGER_16);
+ size_t len2 = (len - sh) * sizeof (GFC_INTEGER_16);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_INTEGER_2) && defined (HAVE_GFC_INTEGER_8)
+
+void
+cshift1_8_i2 (gfc_array_i2 * const restrict ret,
+ const gfc_array_i2 * const restrict array,
+ const gfc_array_i8 * const restrict h,
+ const GFC_INTEGER_8 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_INTEGER_2 *rptr;
+ GFC_INTEGER_2 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_INTEGER_2 *sptr;
+ const GFC_INTEGER_2 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_8 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_8 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_INTEGER_2);
+ size_t len2 = (len - sh) * sizeof (GFC_INTEGER_2);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_INTEGER_4) && defined (HAVE_GFC_INTEGER_8)
+
+void
+cshift1_8_i4 (gfc_array_i4 * const restrict ret,
+ const gfc_array_i4 * const restrict array,
+ const gfc_array_i8 * const restrict h,
+ const GFC_INTEGER_8 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_INTEGER_4 *rptr;
+ GFC_INTEGER_4 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_INTEGER_4 *sptr;
+ const GFC_INTEGER_4 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_8 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_8 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_INTEGER_4);
+ size_t len2 = (len - sh) * sizeof (GFC_INTEGER_4);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_INTEGER_8) && defined (HAVE_GFC_INTEGER_8)
+
+void
+cshift1_8_i8 (gfc_array_i8 * const restrict ret,
+ const gfc_array_i8 * const restrict array,
+ const gfc_array_i8 * const restrict h,
+ const GFC_INTEGER_8 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_INTEGER_8 *rptr;
+ GFC_INTEGER_8 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_INTEGER_8 *sptr;
+ const GFC_INTEGER_8 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_8 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_8 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_INTEGER_8);
+ size_t len2 = (len - sh) * sizeof (GFC_INTEGER_8);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_REAL_10) && defined (HAVE_GFC_INTEGER_8)
+
+void
+cshift1_8_r10 (gfc_array_r10 * const restrict ret,
+ const gfc_array_r10 * const restrict array,
+ const gfc_array_i8 * const restrict h,
+ const GFC_INTEGER_8 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_REAL_10 *rptr;
+ GFC_REAL_10 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_REAL_10 *sptr;
+ const GFC_REAL_10 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_8 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_8 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_REAL_10);
+ size_t len2 = (len - sh) * sizeof (GFC_REAL_10);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_REAL_16) && defined (HAVE_GFC_INTEGER_8)
+
+void
+cshift1_8_r16 (gfc_array_r16 * const restrict ret,
+ const gfc_array_r16 * const restrict array,
+ const gfc_array_i8 * const restrict h,
+ const GFC_INTEGER_8 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_REAL_16 *rptr;
+ GFC_REAL_16 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_REAL_16 *sptr;
+ const GFC_REAL_16 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_8 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_8 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_REAL_16);
+ size_t len2 = (len - sh) * sizeof (GFC_REAL_16);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_REAL_4) && defined (HAVE_GFC_INTEGER_8)
+
+void
+cshift1_8_r4 (gfc_array_r4 * const restrict ret,
+ const gfc_array_r4 * const restrict array,
+ const gfc_array_i8 * const restrict h,
+ const GFC_INTEGER_8 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_REAL_4 *rptr;
+ GFC_REAL_4 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_REAL_4 *sptr;
+ const GFC_REAL_4 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_8 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_8 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_REAL_4);
+ size_t len2 = (len - sh) * sizeof (GFC_REAL_4);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
--- /dev/null
+/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>
+
+#if defined (HAVE_GFC_REAL_8) && defined (HAVE_GFC_INTEGER_8)
+
+void
+cshift1_8_r8 (gfc_array_r8 * const restrict ret,
+ const gfc_array_r8 * const restrict array,
+ const gfc_array_i8 * const restrict h,
+ const GFC_INTEGER_8 * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ GFC_REAL_8 *rptr;
+ GFC_REAL_8 *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const GFC_REAL_8 *sptr;
+ const GFC_REAL_8 *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const GFC_INTEGER_8 *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ GFC_INTEGER_8 sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof (GFC_REAL_8);
+ size_t len2 = (len - sh) * sizeof (GFC_REAL_8);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif
internal_proto(cshift0_c16);
#endif
+#if defined (HAVE_GFC_INTEGER_4) && defined (HAVE_GFC_INTEGER_1)
+void cshift1_4_i1 (gfc_array_i1 * const restrict,
+ const gfc_array_i1 * const restrict,
+ const gfc_array_i4 * const restrict,
+ const GFC_INTEGER_4 * const restrict);
+internal_proto(cshift1_4_i1);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_4) && defined (HAVE_GFC_INTEGER_2)
+void cshift1_4_i2 (gfc_array_i2 * const restrict,
+ const gfc_array_i2 * const restrict,
+ const gfc_array_i4 * const restrict,
+ const GFC_INTEGER_4 * const restrict);
+internal_proto(cshift1_4_i2);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_4) && defined (HAVE_GFC_INTEGER_4)
+void cshift1_4_i4 (gfc_array_i4 * const restrict,
+ const gfc_array_i4 * const restrict,
+ const gfc_array_i4 * const restrict,
+ const GFC_INTEGER_4 * const restrict);
+internal_proto(cshift1_4_i4);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_4) && defined (HAVE_GFC_INTEGER_8)
+void cshift1_4_i8 (gfc_array_i8 * const restrict,
+ const gfc_array_i8 * const restrict,
+ const gfc_array_i4 * const restrict,
+ const GFC_INTEGER_4 * const restrict);
+internal_proto(cshift1_4_i8);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_4) && defined (HAVE_GFC_INTEGER_16)
+void cshift1_4_i16 (gfc_array_i16 * const restrict,
+ const gfc_array_i16 * const restrict,
+ const gfc_array_i4 * const restrict,
+ const GFC_INTEGER_4 * const restrict);
+internal_proto(cshift1_4_i16);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_8) && defined (HAVE_GFC_INTEGER_1)
+void cshift1_8_i1 (gfc_array_i1 * const restrict,
+ const gfc_array_i1 * const restrict,
+ const gfc_array_i8 * const restrict,
+ const GFC_INTEGER_8 * const restrict);
+internal_proto(cshift1_8_i1);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_8) && defined (HAVE_GFC_INTEGER_2)
+void cshift1_8_i2 (gfc_array_i2 * const restrict,
+ const gfc_array_i2 * const restrict,
+ const gfc_array_i8 * const restrict,
+ const GFC_INTEGER_8 * const restrict);
+internal_proto(cshift1_8_i2);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_8) && defined (HAVE_GFC_INTEGER_4)
+void cshift1_8_i4 (gfc_array_i4 * const restrict,
+ const gfc_array_i4 * const restrict,
+ const gfc_array_i8 * const restrict,
+ const GFC_INTEGER_8 * const restrict);
+internal_proto(cshift1_8_i4);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_8) && defined (HAVE_GFC_INTEGER_8)
+void cshift1_8_i8 (gfc_array_i8 * const restrict,
+ const gfc_array_i8 * const restrict,
+ const gfc_array_i8 * const restrict,
+ const GFC_INTEGER_8 * const restrict);
+internal_proto(cshift1_8_i8);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_8) && defined (HAVE_GFC_INTEGER_16)
+void cshift1_8_i16 (gfc_array_i16 * const restrict,
+ const gfc_array_i16 * const restrict,
+ const gfc_array_i8 * const restrict,
+ const GFC_INTEGER_8 * const restrict);
+internal_proto(cshift1_8_i16);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_16) && defined (HAVE_GFC_INTEGER_1)
+void cshift1_16_i1 (gfc_array_i1 * const restrict,
+ const gfc_array_i1 * const restrict,
+ const gfc_array_i16 * const restrict,
+ const GFC_INTEGER_16 * const restrict);
+internal_proto(cshift1_16_i1);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_16) && defined (HAVE_GFC_INTEGER_2)
+void cshift1_16_i2 (gfc_array_i2 * const restrict,
+ const gfc_array_i2 * const restrict,
+ const gfc_array_i16 * const restrict,
+ const GFC_INTEGER_16 * const restrict);
+internal_proto(cshift1_16_i2);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_16) && defined (HAVE_GFC_INTEGER_4)
+void cshift1_16_i4 (gfc_array_i4 * const restrict,
+ const gfc_array_i4 * const restrict,
+ const gfc_array_i16 * const restrict,
+ const GFC_INTEGER_16 * const restrict);
+internal_proto(cshift1_16_i4);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_16) && defined (HAVE_GFC_INTEGER_8)
+void cshift1_16_i8 (gfc_array_i8 * const restrict,
+ const gfc_array_i8 * const restrict,
+ const gfc_array_i16 * const restrict,
+ const GFC_INTEGER_16 * const restrict);
+internal_proto(cshift1_16_i8);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_16) && defined (HAVE_GFC_INTEGER_16)
+void cshift1_16_i16 (gfc_array_i16 * const restrict,
+ const gfc_array_i16 * const restrict,
+ const gfc_array_i16 * const restrict,
+ const GFC_INTEGER_16 * const restrict);
+internal_proto(cshift1_16_i16);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_4) && defined (HAVE_GFC_REAL_4)
+void cshift1_4_r4 (gfc_array_r4 * const restrict,
+ const gfc_array_r4 * const restrict,
+ const gfc_array_i4 * const restrict,
+ const GFC_INTEGER_4 * const restrict);
+internal_proto(cshift1_4_r4);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_4) && defined (HAVE_GFC_REAL_8)
+void cshift1_4_r8 (gfc_array_r8 * const restrict,
+ const gfc_array_r8 * const restrict,
+ const gfc_array_i4 * const restrict,
+ const GFC_INTEGER_4 * const restrict);
+internal_proto(cshift1_4_r8);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_4) && defined (HAVE_GFC_REAL_10)
+void cshift1_4_r10 (gfc_array_r10 * const restrict,
+ const gfc_array_r10 * const restrict,
+ const gfc_array_i4 * const restrict,
+ const GFC_INTEGER_4 * const restrict);
+internal_proto(cshift1_4_r10);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_4) && defined (HAVE_GFC_REAL_16)
+void cshift1_4_r16 (gfc_array_r16 * const restrict,
+ const gfc_array_r16 * const restrict,
+ const gfc_array_i4 * const restrict,
+ const GFC_INTEGER_4 * const restrict);
+internal_proto(cshift1_4_r16);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_8) && defined (HAVE_GFC_REAL_4)
+void cshift1_8_r4 (gfc_array_r4 * const restrict,
+ const gfc_array_r4 * const restrict,
+ const gfc_array_i8 * const restrict,
+ const GFC_INTEGER_8 * const restrict);
+internal_proto(cshift1_8_r4);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_8) && defined (HAVE_GFC_REAL_8)
+void cshift1_8_r8 (gfc_array_r8 * const restrict,
+ const gfc_array_r8 * const restrict,
+ const gfc_array_i8 * const restrict,
+ const GFC_INTEGER_8 * const restrict);
+internal_proto(cshift1_8_r8);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_8) && defined (HAVE_GFC_REAL_10)
+void cshift1_8_r10 (gfc_array_r10 * const restrict,
+ const gfc_array_r10 * const restrict,
+ const gfc_array_i8 * const restrict,
+ const GFC_INTEGER_8 * const restrict);
+internal_proto(cshift1_8_r10);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_8) && defined (HAVE_GFC_REAL_16)
+void cshift1_8_r16 (gfc_array_r16 * const restrict,
+ const gfc_array_r16 * const restrict,
+ const gfc_array_i8 * const restrict,
+ const GFC_INTEGER_8 * const restrict);
+internal_proto(cshift1_8_r16);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_16) && defined (HAVE_GFC_REAL_4)
+void cshift1_16_r4 (gfc_array_r4 * const restrict,
+ const gfc_array_r4 * const restrict,
+ const gfc_array_i16 * const restrict,
+ const GFC_INTEGER_16 * const restrict);
+internal_proto(cshift1_16_r4);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_16) && defined (HAVE_GFC_REAL_8)
+void cshift1_16_r8 (gfc_array_r8 * const restrict,
+ const gfc_array_r8 * const restrict,
+ const gfc_array_i16 * const restrict,
+ const GFC_INTEGER_16 * const restrict);
+internal_proto(cshift1_16_r8);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_16) && defined (HAVE_GFC_REAL_10)
+void cshift1_16_r10 (gfc_array_r10 * const restrict,
+ const gfc_array_r10 * const restrict,
+ const gfc_array_i16 * const restrict,
+ const GFC_INTEGER_16 * const restrict);
+internal_proto(cshift1_16_r10);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_16) && defined (HAVE_GFC_REAL_16)
+void cshift1_16_r16 (gfc_array_r16 * const restrict,
+ const gfc_array_r16 * const restrict,
+ const gfc_array_i16 * const restrict,
+ const GFC_INTEGER_16 * const restrict);
+internal_proto(cshift1_16_r16);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_4) && defined (HAVE_GFC_COMPLEX_4)
+void cshift1_4_c4 (gfc_array_c4 * const restrict,
+ const gfc_array_c4 * const restrict,
+ const gfc_array_i4 * const restrict,
+ const GFC_INTEGER_4 * const restrict);
+internal_proto(cshift1_4_c4);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_4) && defined (HAVE_GFC_COMPLEX_8)
+void cshift1_4_c8 (gfc_array_c8 * const restrict,
+ const gfc_array_c8 * const restrict,
+ const gfc_array_i4 * const restrict,
+ const GFC_INTEGER_4 * const restrict);
+internal_proto(cshift1_4_c8);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_4) && defined (HAVE_GFC_COMPLEX_10)
+void cshift1_4_c10 (gfc_array_c10 * const restrict,
+ const gfc_array_c10 * const restrict,
+ const gfc_array_i4 * const restrict,
+ const GFC_INTEGER_4 * const restrict);
+internal_proto(cshift1_4_c10);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_4) && defined (HAVE_GFC_COMPLEX_16)
+void cshift1_4_c16 (gfc_array_c16 * const restrict,
+ const gfc_array_c16 * const restrict,
+ const gfc_array_i4 * const restrict,
+ const GFC_INTEGER_4 * const restrict);
+internal_proto(cshift1_4_c16);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_8) && defined (HAVE_GFC_COMPLEX_4)
+void cshift1_8_c4 (gfc_array_c4 * const restrict,
+ const gfc_array_c4 * const restrict,
+ const gfc_array_i8 * const restrict,
+ const GFC_INTEGER_8 * const restrict);
+internal_proto(cshift1_8_c4);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_8) && defined (HAVE_GFC_COMPLEX_8)
+void cshift1_8_c8 (gfc_array_c8 * const restrict,
+ const gfc_array_c8 * const restrict,
+ const gfc_array_i8 * const restrict,
+ const GFC_INTEGER_8 * const restrict);
+internal_proto(cshift1_8_c8);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_8) && defined (HAVE_GFC_COMPLEX_10)
+void cshift1_8_c10 (gfc_array_c10 * const restrict,
+ const gfc_array_c10 * const restrict,
+ const gfc_array_i8 * const restrict,
+ const GFC_INTEGER_8 * const restrict);
+internal_proto(cshift1_8_c10);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_8) && defined (HAVE_GFC_COMPLEX_16)
+void cshift1_8_c16 (gfc_array_c16 * const restrict,
+ const gfc_array_c16 * const restrict,
+ const gfc_array_i8 * const restrict,
+ const GFC_INTEGER_8 * const restrict);
+internal_proto(cshift1_8_c16);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_16) && defined (HAVE_GFC_COMPLEX_4)
+void cshift1_16_c4 (gfc_array_c4 * const restrict,
+ const gfc_array_c4 * const restrict,
+ const gfc_array_i16 * const restrict,
+ const GFC_INTEGER_16 * const restrict);
+internal_proto(cshift1_16_c4);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_16) && defined (HAVE_GFC_COMPLEX_8)
+void cshift1_16_c8 (gfc_array_c8 * const restrict,
+ const gfc_array_c8 * const restrict,
+ const gfc_array_i16 * const restrict,
+ const GFC_INTEGER_16 * const restrict);
+internal_proto(cshift1_16_c8);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_16) && defined (HAVE_GFC_COMPLEX_10)
+void cshift1_16_c10 (gfc_array_c10 * const restrict,
+ const gfc_array_c10 * const restrict,
+ const gfc_array_i16 * const restrict,
+ const GFC_INTEGER_16 * const restrict);
+internal_proto(cshift1_16_c10);
+#endif
+
+#if defined (HAVE_GFC_INTEGER_16) && defined (HAVE_GFC_COMPLEX_16)
+void cshift1_16_c16 (gfc_array_c16 * const restrict,
+ const gfc_array_c16 * const restrict,
+ const gfc_array_i16 * const restrict,
+ const GFC_INTEGER_16 * const restrict);
+internal_proto(cshift1_16_c16);
+#endif
+
+
#endif /* LIBGFOR_H */
'atype_name` sh;
index_type arraysize;
index_type size;
-
+ index_type type_size;
+
if (pwhich)
which = *pwhich - 1;
else
which = 0;
-
+
if (which < 0 || (which + 1) > GFC_DESCRIPTOR_RANK (array))
runtime_error ("Argument ''`DIM''` is out of range in call to ''`CSHIFT''`");
if (arraysize == 0)
return;
+ /* See if we should dispatch to a helper function. */
+
+ type_size = GFC_DTYPE_TYPE_SIZE (array);
+
+ switch (type_size)
+ {
+ case GFC_DTYPE_LOGICAL_1:
+ case GFC_DTYPE_INTEGER_1:
+ case GFC_DTYPE_DERIVED_1:
+ cshift1_'atype_kind`_i1 ((gfc_array_i1 *)ret, (gfc_array_i1 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_LOGICAL_2:
+ case GFC_DTYPE_INTEGER_2:
+ cshift1_'atype_kind`_i2 ((gfc_array_i2 *)ret, (gfc_array_i2 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_LOGICAL_4:
+ case GFC_DTYPE_INTEGER_4:
+ cshift1_'atype_kind`_i4 ((gfc_array_i4 *)ret, (gfc_array_i4 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_LOGICAL_8:
+ case GFC_DTYPE_INTEGER_8:
+ cshift1_'atype_kind`_i8 ((gfc_array_i8 *)ret, (gfc_array_i8 *) array,
+ h, pwhich);
+ return;
+
+#if defined (HAVE_INTEGER_16)
+ case GFC_DTYPE_LOGICAL_16:
+ case GFC_DTYPE_INTEGER_16:
+ cshift1_'atype_kind`_i16 ((gfc_array_i16 *)ret, (gfc_array_i16 *) array,
+ h, pwhich);
+ return;
+#endif
+
+ case GFC_DTYPE_REAL_4:
+ cshift1_'atype_kind`_r4 ((gfc_array_r4 *)ret, (gfc_array_r4 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_REAL_8:
+ cshift1_'atype_kind`_r8 ((gfc_array_r8 *)ret, (gfc_array_r8 *) array,
+ h, pwhich);
+ return;
+
+#if defined (HAVE_REAL_10)
+ case GFC_DTYPE_REAL_10:
+ cshift1_'atype_kind`_r10 ((gfc_array_r10 *)ret, (gfc_array_r10 *) array,
+ h, pwhich);
+ return;
+#endif
+
+#if defined (HAVE_REAL_16)
+ case GFC_DTYPE_REAL_16:
+ cshift1_'atype_kind`_r16 ((gfc_array_r16 *)ret, (gfc_array_r16 *) array,
+ h, pwhich);
+ return;
+#endif
+
+ case GFC_DTYPE_COMPLEX_4:
+ cshift1_'atype_kind`_c4 ((gfc_array_c4 *)ret, (gfc_array_c4 *) array,
+ h, pwhich);
+ return;
+
+ case GFC_DTYPE_COMPLEX_8:
+ cshift1_'atype_kind`_c8 ((gfc_array_c8 *)ret, (gfc_array_c8 *) array,
+ h, pwhich);
+ return;
+
+#if defined (HAVE_COMPLEX_10)
+ case GFC_DTYPE_COMPLEX_10:
+ cshift1_'atype_kind`_c10 ((gfc_array_c10 *)ret, (gfc_array_c10 *) array,
+ h, pwhich);
+ return;
+#endif
+
+#if defined (HAVE_COMPLEX_16)
+ case GFC_DTYPE_COMPLEX_16:
+ cshift1_'atype_kind`_c16 ((gfc_array_c16 *)ret, (gfc_array_c16 *) array,
+ h, pwhich);
+ return;
+#endif
+
+ default:
+ break;
+
+ }
+
extent[0] = 1;
count[0] = 0;
n = 0;
{
/* Do the shift for this dimension. */
sh = *hptr;
- sh = (div (sh, len)).rem;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
if (sh < 0)
sh += len;
+ if (unlikely (sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
src = &sptr[sh * soffset];
dest = rptr;
-
- for (n = 0; n < len; n++)
+ if (soffset == size && roffset == size)
+ {
+ size_t len1 = sh * size;
+ size_t len2 = (len - sh) * size;
+ memcpy (rptr, sptr + len1, len2);
+ memcpy (rptr + len2, sptr, len1);
+ }
+ else
{
- memcpy (dest, src, size);
- dest += roffset;
- if (n == len - sh - 1)
- src = sptr;
- else
- src += soffset;
- }
+ for (n = 0; n < len - sh; n++)
+ {
+ memcpy (dest, src, size);
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ memcpy (dest, src, size);
+ dest += roffset;
+ src += soffset;
+ }
+ }
/* Advance to the next section. */
rptr += rstride0;
--- /dev/null
+`/* Implementation of the CSHIFT intrinsic.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+#include <string.h>'
+include(iparm.m4)dnl
+
+`#if defined (HAVE_'atype_name`) && defined (HAVE_'rtype_name`)
+
+void
+cshift1'rtype_qual`_'atype_code` ('atype` * const restrict ret,
+ const 'atype` * const restrict array,
+ const 'rtype` * const restrict h,
+ const 'rtype_name` * const restrict pwhich)
+{
+ /* r.* indicates the return array. */
+ index_type rstride[GFC_MAX_DIMENSIONS];
+ index_type rstride0;
+ index_type roffset;
+ 'atype_name` *rptr;
+ 'atype_name` *dest;
+ /* s.* indicates the source array. */
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type sstride0;
+ index_type soffset;
+ const 'atype_name` *sptr;
+ const 'atype_name` *src;
+ /* h.* indicates the shift array. */
+ index_type hstride[GFC_MAX_DIMENSIONS];
+ index_type hstride0;
+ const 'rtype_name` *hptr;
+
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type rs_ex[GFC_MAX_DIMENSIONS];
+ index_type ss_ex[GFC_MAX_DIMENSIONS];
+ index_type hs_ex[GFC_MAX_DIMENSIONS];
+
+ index_type dim;
+ index_type len;
+ index_type n;
+ int which;
+ 'rtype_name` sh;
+
+ /* Bounds checking etc is already done by the caller. */
+
+ if (pwhich)
+ which = *pwhich - 1;
+ else
+ which = 0;
+
+ extent[0] = 1;
+ count[0] = 0;
+ n = 0;
+
+ /* Initialized for avoiding compiler warnings. */
+ roffset = 1;
+ soffset = 1;
+ len = 0;
+
+ for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
+ {
+ if (dim == which)
+ {
+ roffset = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ if (roffset == 0)
+ roffset = 1;
+ soffset = GFC_DESCRIPTOR_STRIDE(array,dim);
+ if (soffset == 0)
+ soffset = 1;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ }
+ else
+ {
+ count[n] = 0;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,dim);
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
+ rs_ex[n] = rstride[n] * extent[n];
+ ss_ex[n] = sstride[n] * extent[n];
+ hs_ex[n] = hstride[n] * extent[n];
+ n++;
+ }
+ }
+ if (sstride[0] == 0)
+ sstride[0] = 1;
+ if (rstride[0] == 0)
+ rstride[0] = 1;
+ if (hstride[0] == 0)
+ hstride[0] = 1;
+
+ dim = GFC_DESCRIPTOR_RANK (array);
+ rstride0 = rstride[0];
+ sstride0 = sstride[0];
+ hstride0 = hstride[0];
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
+
+ while (rptr)
+ {
+ /* Do the shift for this dimension. */
+ sh = *hptr;
+ /* Normal case should be -len < sh < len; try to
+ avoid the expensive remainder operation if possible. */
+ if (sh < 0)
+ sh += len;
+ if (unlikely(sh >= len || sh < 0))
+ {
+ sh = sh % len;
+ if (sh < 0)
+ sh += len;
+ }
+ src = &sptr[sh * soffset];
+ dest = rptr;
+ if (soffset == 1 && roffset == 1)
+ {
+ size_t len1 = sh * sizeof ('atype_name`);
+ size_t len2 = (len - sh) * sizeof ('atype_name`);
+ memcpy (rptr, sptr + sh, len2);
+ memcpy (rptr + (len - sh), sptr, len1);
+ }
+ else
+ {
+ for (n = 0; n < len - sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ for (src = sptr, n = 0; n < sh; n++)
+ {
+ *dest = *src;
+ dest += roffset;
+ src += soffset;
+ }
+ }
+
+ /* Advance to the next section. */
+ rptr += rstride0;
+ sptr += sstride0;
+ hptr += hstride0;
+ count[0]++;
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ rptr -= rs_ex[n];
+ sptr -= ss_ex[n];
+ hptr -= hs_ex[n];
+ n++;
+ if (n >= dim - 1)
+ {
+ /* Break out of the loop. */
+ rptr = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ rptr += rstride[n];
+ sptr += sstride[n];
+ hptr += hstride[n];
+ }
+ }
+ }
+}
+
+#endif'
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